Idle Jet for Scooters & Mopeds
ITEM# TT-15520
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Description
Idle Jet for GY6 & QMB139 Scooter Carburetors
The idle jet controls how much fuel mixes with air at low engine speeds on GY6 and QMB139 scooter carburetors. Because it governs the mixture when the engine is idling or just pulling away, it has a direct effect on how the scooter starts, runs at low revs, and responds. If you notice trouble starting, stumbling, or rough idling, this is one of the first components worth checking. A jet that is worn or clogged with debris can be swapped out to restore smoother running. You can find more options among our scooter carburetors & jets.
What This Part Does
This jet meters the fuel and air blend the engine needs for clean combustion at idle. Hard starting or uneven idle can point to a jet that needs replacing. Picking the right fitment and size helps keep your scooter running as it should.
Specifications
- Thread Size: M6x0.75
- Overall Length: 28mm
- Made in: Taiwan
- Fits: GY6 and QMB139 CVK carburetors, and PWK series carburetors
Fitment
Compatible with:
- GY6 CVK carburetors
- QMB139 CVK carburetors
- PWK series carburetors
How to choose: Use the number stamped on your current idle jet to select the matching size, or go by your carburetor type. Confirm the thread is M6x0.75 before you order.
Shop more: Scooter Carburetors & Jets · Scooter Parts
Additional Information
| Options |
33, 31, 41 |
|---|





























































